Having difficulties downloading iPadOS 13
Having difficulties downloading IQS 13
[Re-titled by Moderator]
Windows, Windows 6
An iPad 6th gen will get iOS 17, not iOS 13.
First, confirm your iPad model: Identify your iPad model - Apple Support
The usual update process: Update your iPhone or iPad - Apple Support
Ensure use of full-power mode (no yellow-colored battery icon), fully charged, and no add-on VPN apps, too.
if the iPad won’t update: If your iPhone or iPad won't update - Apple Support
PS: Marking a reply as “best answer” effectively closes the discussion, and means many readers won’t even read the thread.